[root@wangpengliang ~]# docker-compose --version
-bash: docker-compose: 未找到命令

$ sudo curl -L https://github.com/docker/compose/releases/download/1.17.1/docker-compose-uname -s-uname -m > /usr/local/bin/docker-compose
$ sudo chmod +x /usr/local/bin/docker-compose

[root@wangpengliang ~]# uname -m
x86_64

[root@wangpengliang ~]# curl -L https://github.com/docker/compose/releases/download/1.17.1/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   633  100   633    0     0     63      0  0:00:10  0:00:09  0:00:01   155
100 8649k  100 8649k    0     0   292k      0  0:00:29  0:00:29 --:--:-- 1989k
[root@wangpengliang ~]# curl -L https://raw.githubusercontent.com/docker/compose/1.8.0/contrib/completion/bash/docker-compose > /etc/bash_completion.d/docker-compose
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 10554  100 10554    0     0   1435      0  0:00:07  0:00:07 --:--:--  2753
[root@wangpengliang ~]# chmod +x /usr/local/bin/docker-compose
[root@wangpengliang ~]# docker-compose --version
docker-compose version 1.17.1, build 6d101fb

sudo pip install -U docker-compose

Collecting docker-compose
Downloading docker-compose-1.17.1.tar.gz (149kB): 149kB downloaded
...
Successfully installed docker-compose cached-property requests texttable websocket-client docker-py dockerpty six enum34 backports.ssl-match-hostname ipaddress

$ curl -L https://raw.githubusercontent.com/docker/compose/1.8.0/contrib/completion/bash/docker-compose > /etc/bash_completion.d/docker-compose

$ curl -L https://github.com/docker/compose/releases/download/1.8.0/run.sh > /usr/local/bin/docker-compose
$ chmod +x /usr/local/bin/docker-compose

set -e
VERSION="1.8.0"
IMAGE="docker/compose:$VERSION"
# Setup options for connecting to docker host
if [ -z "$DOCKER_HOST" ]; then
    DOCKER_HOST="/var/run/docker.sock"
fi
if [ -S "$DOCKER_HOST" ]; then
    DOCKER_ADDR="-v $DOCKER_HOST:$DOCKER_HOST -e DOCKER_HOST"
else
    DOCKER_ADDR="-e DOCKER_HOST -e DOCKER_TLS_VERIFY -e DOCKER_CERT_PATH"
fi
# Setup volume mounts for compose config and context
if [ "$(pwd)" != '/' ]; then
    VOLUMES="-v $(pwd):$(pwd)"
fi
if [ -n "$COMPOSE_FILE" ]; then
    compose_dir=$(dirname $COMPOSE_FILE)
fi
# TODO: also check --file argument
if [ -n "$compose_dir" ]; then
    VOLUMES="$VOLUMES -v $compose_dir:$compose_dir"
fi
if [ -n "$HOME" ]; then
    VOLUMES="$VOLUMES -v $HOME:$HOME -v $HOME:/root" # mount $HOME in /root to share docker.config
fi
# Only allocate tty if we detect one
if [ -t 1 ]; then
    DOCKER_RUN_OPTIONS="-t"
fi
if [ -t 0 ]; then
    DOCKER_RUN_OPTIONS="$DOCKER_RUN_OPTIONS -i"
fi
exec docker run --rm $DOCKER_RUN_OPTIONS $DOCKER_ADDR $COMPOSE_OPTIONS $VOLUMES -w "$(pwd)" $IMAGE "$@"

$ sudo rm /usr/local/bin/docker-compose

$ sudo pip uninstall docker-compose

from flask import Flask
from redis import Redis
app = Flask(__name__)
redis = Redis(host='redis', port=6379)
@app.route('/')
def hello():
    count = redis.incr('hits')
    return 'Hello World! 该页面已被访问 {} 次。\n'.format(count)
if __name__ == "__main__":
    app.run(host="0.0.0.0", debug=True)

FROM python:3.6-alpine
ADD . /code
WORKDIR /code
RUN pip install redis flask
CMD ["python", "app.py"]

version: '3'
services:
  web:
    build: .
    ports:
     - "5000:5000"
  redis:
    image: "redis:alpine"

docker-compose up

[root@wangpengliang pythontests]# ls
app.py  docker-compose.yml  Dockerfile

[root@wangpengliang pythontests]# docker-compose up
Building web
Step 1/5 : FROM python:3.6-alpine # 下载基础镜像python:3.6-alpine
3.6-alpine: Pulling from library/python
540db60ca938: Pull complete
a7ad1a75a999: Pull complete
5545670c3922: Pull complete
c89910f38943: Pull complete
b6a40d090e87: Pull complete
Digest: sha256:492bb540e9c9bc9f586d5d69467c66bc32072d9af48463b1f0054d4ff9b93709
Status: Downloaded newer image for python:3.6-alpine
 ---> ac438c122d19
Step 2/5 : ADD . /code   # 拷贝文件到/code目录
 ---> 68cbe5b2f598
Step 3/5 : WORKDIR /code # 设置/code目录为工作目录
 ---> Running in 4fd09a1580a8
Removing intermediate container 4fd09a1580a8 # 拆卸中间容器：4fd09a1580a8
 ---> 2e4bbd31555d
Step 4/5 : RUN pip install redis flask # 运行pip安装redis、flask
 ---> Running in c12f4ece64f1
Collecting redis
  Downloading redis-3.5.3-py2.py3-none-any.whl (72 kB)
Collecting flask
  Downloading Flask-2.0.1-py3-none-any.whl (94 kB)
Collecting click>=7.1.2
  Downloading click-8.0.1-py3-none-any.whl (97 kB)
Collecting Werkzeug>=2.0
  Downloading Werkzeug-2.0.1-py3-none-any.whl (288 kB)
Collecting itsdangerous>=2.0
  Downloading itsdangerous-2.0.1-py3-none-any.whl (18 kB)
Collecting Jinja2>=3.0
  Downloading Jinja2-3.0.1-py3-none-any.whl (133 kB)
Collecting importlib-metadata
  Downloading importlib_metadata-4.5.0-py3-none-any.whl (17 kB)
Collecting MarkupSafe>=2.0
  Downloading MarkupSafe-2.0.1.tar.gz (18 kB)
Collecting dataclasses
  Downloading dataclasses-0.8-py3-none-any.whl (19 kB)
Collecting typing-extensions>=3.6.4
  Downloading typing_extensions-3.10.0.0-py3-none-any.whl (26 kB)
Collecting zipp>=0.5
  Downloading zipp-3.4.1-py3-none-any.whl (5.2 kB)
Building wheels for collected packages: MarkupSafe
  Building wheel for MarkupSafe (setup.py): started
  Building wheel for MarkupSafe (setup.py): finished with status 'done'
  Created wheel for MarkupSafe: filename=MarkupSafe-2.0.1-py3-none-any.whl size=9761 sha256=e2a25263f4c7babbdd0cdda87cad139e54eb972cf742f2f7b7893003e0ecfe97
  Stored in directory: /root/.cache/pip/wheels/05/46/9b/189d9acb1f643857fb8ad990ca04c02509c35d3ad6fac81794
Successfully built MarkupSafe
Installing collected packages: zipp, typing-extensions, MarkupSafe, importlib-metadata, dataclasses, Werkzeug, Jinja2, itsdangerous, click, redis, flask
Successfully installed Jinja2-3.0.1 MarkupSafe-2.0.1 Werkzeug-2.0.1 click-8.0.1 dataclasses-0.8 flask-2.0.1 importlib-metadata-4.5.0 itsdangerous-2.0.1 redis-3.5.3 typing-extensions-3.10.0.0 zipp-3.4.1
WARNING: Running pip as root will break packages and permissions. You should install packages reliably by using venv: https://pip.pypa.io/warnings/venv
Removing intermediate container c12f4ece64f1
 ---> 061f502fa95e
Step 5/5 : CMD ["python", "app.py"]
 ---> Running in c6ac95ba9659
Removing intermediate container c6ac95ba9659
 ---> aabe65a53ffd
Successfully built aabe65a53ffd
Successfully tagged pythontests_web:latest
WARNING: Image for service web was built because it did not already exist. To rebuild this image you must use `docker-compose build` or `docker-compose up --build`.
Pulling redis (redis:alpine)...
alpine: Pulling from library/redis

29712d301e8c: Pull complete
8173c12df40f: Pull complete
8cc52074f78e: Pull complete
aa7854465cce: Pull complete
6ab1d05b4973: Pull complete
Digest: sha256:eaaa58f8757d6f04b2e34ace57a71d79f8468053c198f5758fd2068ac235f303
Status: Downloaded newer image for redis:alpine
Creating pythontests_web_1
Creating pythontests_redis_1
Attaching to pythontests_redis_1, pythontests_web_1
redis_1  | 1:C 09 Jun 2021 03:16:24.588 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
redis_1  | 1:C 09 Jun 2021 03:16:24.588 # Redis version=6.2.4, bits=64, commit=00000000, modified=0, pid=1, just started
redis_1  | 1:C 09 Jun 2021 03:16:24.588 # Warning: no config file specified, using the default config. In order to specify a config file use redis-server /path/to/redis.conf
redis_1  | 1:M 09 Jun 2021 03:16:24.588 * monotonic clock: POSIX clock_gettime
redis_1  | 1:M 09 Jun 2021 03:16:24.590 * Running mode=standalone, port=6379.
redis_1  | 1:M 09 Jun 2021 03:16:24.590 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
redis_1  | 1:M 09 Jun 2021 03:16:24.590 # Server initialized
redis_1  | 1:M 09 Jun 2021 03:16:24.590 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.
redis_1  | 1:M 09 Jun 2021 03:16:24.590 * Ready to accept connections
web_1    |  * Serving Flask app 'app' (lazy loading)
web_1    |  * Environment: production
web_1    |    WARNING: This is a development server. Do not use it in a production deployment.
web_1    |    Use a production WSGI server instead.
web_1    |  * Debug mode: on
web_1    |  * Running on all addresses.
web_1    |    WARNING: This is a development server. Do not use it in a production deployment.
web_1    |  * Running on http://172.19.0.2:5000/ (Press CTRL+C to quit)
web_1    |  * Restarting with stat
web_1    |  * Debugger is active!
web_1    |  * Debugger PIN: 103-300-970
web_1    | 172.19.0.1 - - [09/Jun/2021 03:17:00] "GET / HTTP/1.1" 200 -

[root@wangpengliang pythontests]# curl 172.18.0.2:5000
Hello World! 该页面已被访问 1 次。
[root@wangpengliang pythontests]# curl 172.18.0.2:5000
Hello World! 该页面已被访问 2 次。
[root@wangpengliang pythontests]# curl 172.18.0.2:5000
Hello World! 该页面已被访问 3 次。
[root@wangpengliang pythontests]# curl 172.18.0.2:5000
Hello World! 该页面已被访问 4 次。
[root@wangpengliang pythontests]# curl 172.18.0.2:5000
Hello World! 该页面已被访问 5 次。

docker-compose [COMMAND] --help 
或
docker-compose help [COMMAND]

docker-compose [-f=<arg>...] [options] [COMMAND] [ARGS...]

$ docker-compose kill -s SIGINT

$ docker-compose run ubuntu ping docker.com

$ docker-compose run --no-deps web python manage.py shell

$ docker-compose scale web=3 db=2

version: "3"
services:
  webapp:
    image: examples/web
    ports:
      - "80:80"
    volumes:
      - "/data"

version: '3'
services:
  webapp:
    build: ./dir

version: '3'
services:
  webapp:
    build:
      context: ./dir
      dockerfile: Dockerfile-alternate
      args:
        buildno: 1

build:
  context: .
  cache_from:
    - alpine:latest
    - corp/web_app:3.14

cap_add:
  - ALL

cap_drop:
  - NET_ADMIN

command: echo "hello world"

cgroup_parent: cgroups_1

container_name: docker-web-container

devices:
  - "/dev/ttyUSB1:/dev/ttyUSB0"

version: '3'
services:
  web:
    build: .
    depends_on:
      - db
      - redis
  redis:
    image: redis
  db:
    image: postgres

dns: 8.8.8.8
dns:
  - 8.8.8.8
  - 114.114.114.114

dns_search: example.com
dns_search:
  - domain1.example.com
  - domain2.example.com

tmpfs: /run
tmpfs:
  - /run
  - /tmp

env_file: .env
env_file:
  - ./common.env
  - ./apps/web.env
  - /opt/secrets.env

# common.env: Set development environment
PROG_ENV=development

environment:
  RACK_ENV: development
  SESSION_SECRET:
environment:
  - RACK_ENV=development
  - SESSION_SECRET

y|Y|yes|Yes|YES|n|N|no|No|NO|true|True|TRUE|false|False|FALSE|on|On|ON|off|Off|OFF

expose:
  - "3000"
  - "8000"

external_links:
 - redis_1
 - project_db_1:mysql
 - project_db_1:postgresql

extra_hosts:
 - "googledns:8.8.8.8"
 - "dockerhub:52.1.157.61"

8.8.8.8 googledns
52.1.157.61 dockerhub

healthcheck:
  test: ["CMD", "curl", "-f", "http://localhost"]
  interval: 1m30s
  timeout: 10s
  retries: 3

image: ubuntu
image: orchardup/postgresql
image: a4bc65fd

labels:
  com.startupteam.description: "webapp for a startup team"
  com.startupteam.department: "devops department"
  com.startupteam.release: "rc3 for v1.0"

logging:
  driver: syslog
  options:
    syslog-address: "tcp://192.168.0.42:123"

options:
  max-size: "200k"
  max-file: "10"

network_mode: "bridge"
network_mode: "host"
network_mode: "none"
network_mode: "service:[service name]"
network_mode: "container:[container name/id]"

version: "3"
services:
  some-service:
    networks:
     - some-network
     - other-network
networks:
  some-network:
  other-network:

ports:
 - "3000"
 - "8000:8000"
 - "49100:22"
 - "127.0.0.1:8001:8001"

version: "3.1"
services:
mysql:
  image: mysql
  environment:
    MYSQL_ROOT_PASSWORD_FILE: /run/secrets/db_root_password
  secrets:
    - db_root_password
    - my_other_secret
secrets:
  my_secret:
    file: ./my_secret.txt
  my_other_secret:
    external: true

security_opt:
    - label:user:USER
    - label:role:ROLE

sysctls:
  net.core.somaxconn: 1024
  net.ipv4.tcp_syncookies: 0
sysctls:
  - net.core.somaxconn=1024
  - net.ipv4.tcp_syncookies=0

ulimits:
    nproc: 65535
    nofile:
      soft: 20000
      hard: 40000

volumes:
 - /var/lib/mysql
 - cache/:/tmp/cache
 - ~/configs:/etc/configs/:ro

domainname: your_website.com
hostname: test
mac_address: 08-00-27-00-0C-0A

version: "3"
services:
db:
  image: "mongo:${MONGO_VERSION}"

# 支持 # 号注释
MONGO_VERSION=3.6